GRAY & POSTELL, INC. is an Atlanta based professional engineering firm that focuses on providing Mechanical, Electrical, Plumbing, Fire Suppression, LEED®/Sustainable, Communications and Security Systems consulting and design services to the building construction industry throughout the United States. Built on a strong foundation of experience, knowledge, integrity and dedication; we are committed to delivering responsive engineering services tailored to each of our client's needs. We emphasize proactive communication and collaboration with our clients to not only establish and address their specific individual project requirements, but also to create a framework to successfully satisfy and exceed their expectations.